Home / 3,381.74-5,072.63-1,190.48

Finding the Fourth Proportional to 3,381.74, 5,072.63 and 1,190.48

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Solution

The fourth proportional to 3,381.74, 5,072.63 and 1,190.48 is: 1,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.74 : 5,072.63 = 1,190.48 : x
  2. Step 2: Convert to fraction form
    3,381.74/5,072.63 = 1,190.48/x
  3. Step 3: Cross multiply
    3,381.74x = 5,072.63 × 1,190.48
  4. Step 4: Simplify right side
    3,381.74x = 6,038,833.25
  5. Step 5: Solve for x
    x = 6,038,833.25/3,381.74
  6. Step 6: Final answer
    x = 1,785.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.